| 1246 | } |
| 1247 | |
| 1248 | static int read_line(char *line, int maxlen, SBUF2 *s, const char *buf, |
| 1249 | int *chrno) |
| 1250 | { |
| 1251 | int ch = get_char(s, buf, chrno); |
| 1252 | while (ch == ' ' || ch == '\n') |
| 1253 | ch = get_char(s, buf, chrno); // consume empty lines |
| 1254 | |
| 1255 | int count = 0; |
| 1256 | while ((ch != '\n') && (ch != EOF) && (ch != '\0')) { |
| 1257 | line[count] = ch; |
| 1258 | count++; |
| 1259 | if (count >= maxlen) |
| 1260 | return count; |
| 1261 | ch = get_char(s, buf, chrno); |
| 1262 | } |
| 1263 | if (count == 0) |
| 1264 | return -1; |
| 1265 | line[count + 1] = '\0'; |
| 1266 | return count + 1; |
| 1267 | } |
| 1268 | |
| 1269 | int is_valid_int(const char *str) |
| 1270 | { |
no test coverage detected